Portable telephone



FIG. 1 is a front, bottom, and left side perspective view showing our new design for a portable telephone with the keypad cover closed, with broken line matter being for illustrative purposes only and forming no part of the claimed design.

FIG. 2 is a front, bottom, and left side perspective view showing our new design for a portable telephone with the keypad cover open, with broken line matter being for illustrative purposes only and forming no part of the claimed design.

FIG. 3 is a right side elevation view of the portable telephone with the keypad cover closed, with broken line matter being for illustrative purposes only and forming no part of the claimed design.

FIG. 4 is a rear elevation view of the portable telephone with the keypad cover closed, with broken line matter being for illustrative purposes only and forming no part of the claimed design.

FIG. 5 is a top plan view of the portable telephone with the keypad cover closed, with broken line matter being for illustrative purposes only and forming no part of the claimed design; and,

FIG. 6 is a bottom plan view thereof, with broken line matter being for illustrative purposes only and forming no part of the claimed design. 

The ornamental design for a portable telephone, as shown and described. 